[changes] Implicit and emotional memories are stored in a database.

api/app/models/implicit_emotions_storage_model.py

@@ -0,0 +1,46 @@
+"""
+Implicit Emotions Storage Model
+
+数据库模型：存储用户的隐性记忆画像和情绪建议数据
+替代原有的Redis缓存方式
+"""
+import uuid
+from datetime import datetime
+from sqlalchemy import Column, String, Text, DateTime, Index
+from sqlalchemy.dialects.postgresql import UUID, JSONB
+from app.db import Base
+
+
+class ImplicitEmotionsStorage(Base):
+    """隐性记忆和情绪存储表"""
+    
+    __tablename__ = "implicit_emotions_storage"
+    
+    # 主键
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, comment="主键ID")
+    
+    # 用户标识
+    end_user_id = Column(String(255), nullable=False, unique=True, index=True, comment="终端用户ID")
+    
+    # 隐性记忆画像数据（JSON格式）
+    implicit_profile = Column(JSONB, nullable=True, comment="隐性记忆用户画像数据")
+    
+    # 情绪建议数据（JSON格式）
+    emotion_suggestions = Column(JSONB, nullable=True, comment="情绪个性化建议数据")
+    
+    # 时间戳
+    created_at = Column(DateTime, nullable=False, default=datetime.utcnow, comment="创建时间")
+    updated_at = Column(DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow, comment="更新时间")
+    
+    # 数据生成时间（用于业务逻辑）
+    implicit_generated_at = Column(DateTime, nullable=True, comment="隐性记忆画像生成时间")
+    emotion_generated_at = Column(DateTime, nullable=True, comment="情绪建议生成时间")
+    
+    # 索引
+    __table_args__ = (
+        Index('idx_end_user_id', 'end_user_id'),
+        Index('idx_updated_at', 'updated_at'),
+    )
+    
+    def __repr__(self):
+        return f"<ImplicitEmotionsStorage(id={self.id}, end_user_id={self.end_user_id})>"